"New Report Makes Clear: Home Sharing Reduces Carbon Emissions Airbnb Stays Add Up to Measurable Impact on COP21 Country Emission Reduction Goals", 10 Dec 2015

Airbnb…announced the results of a new study that demonstrates Airbnb’s potential contribution to the global greenhouse gas (GHG) emission reduction efforts…“…home sharing significantly reduces energy and water use, GHG emissions, and waste generation,” said Chris Lehane, Head of Global Policy and Public Affairs at Airbnb…[T]he study examines what the environmental impacts would be if COP21 travelers used Airbnb…[T]he study found that they would have saved…GHG emissions…equivalent to…taking 1,033 passenger vehicles off the road for one year…The study projects that in 2025, people who choose Airbnb…in the US could contribute 9.5 Million Tonnes in emission reductions under business-as-usual conditions…The study projects that in 2030, people who choose Airbnb…in the EU could contribute nearly 21 Million Tonnes in emission reductions under business-as-usual circumstances…A signatory to the White House’s American Business Act on Climate Pledge, Airbnb has committed to increase the efficiency of our…travel platform…[Also refers to Nest Learning Thermostat, NRG Home Solar, and Tesla.]